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Service bulletins for the 2014 Kia Optima

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

353 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Steering are shown. Show all

Bulletins, newest first
CS1604OWNER2017-02-01. Service bulletin. STEERING. OWNER LETTER: CS1604 - CUSTOMER SATISFACTION/WARRANTY EXTENSION PROGRAM - DEAR KIA OPTIMA OWNER: KIA MOTORS AMERICA, INC. WOULD LIKE TO THANK YOU FOR YOUR PURCHASE OF A KIA OPTIMA VEHICLE. BECAUSE KIA VALUES YOU AS OUR CUSTOMER, WE ARE CONDUCTING A CUSTOMER SATISFACTION/WARRANTY EXTENSION PROGRAM REGARDING THE MOTOR DRIVEN POWER STEERING (MDPS) UNIT IN ALL 2011-2013 MY AND SOME 2014 MY OPTIMA VEHICLES.
CS1604FORM2017-02-01. Service bulletin. STEERING. REQUEST FOR REIMBURSEMENT FORM: CS1604 - 2011-2013 AND SOME 2014 MY OPTIMA VEHICLES MOTOR DRIVEN POWER STEERING (MDPS) CUSTOMER SATISFACTION/WARRANTY EXTENSION PROGRAM - IF YOU HAVE PAID TO HAVE THE FLEXIBLE COUPLING IN THE MDPS REPLACED, YOU MAY BE ELIGIBLE FOR REIMBURSEMENT FOR SOME OR ALL OF THAT EXPENSE. MAIL THIS COMPLETED REQUEST FOR REIMBURSEMENT FORM TO KIA, ALONG WITH DOCUMENTATION SPECIFIED BELOW, FOR REVIEW AND CONSIDERATION AT THE FOLLOWING ADDRESS: CONSUMER ASSISTANCE CENTER, KIA MOTORS AMERICA, INC., P.O. BOX 52410, IRVINE, CA 92619-2410
CS1604DEALERPSM2017-02-01. Service bulletin. STEERING. DEALER PARTS AND SERVICE MANAGER MEMO: CS1604 - KIA MOTORS AMERICA, INC. IS CONDUCTING A CUSTOMER SATISFACTION / WARRANTY EXTENSION PROGRAM REGARDING THE MOTOR DRIVEN POWER STEERING (MDPS) ON ALL 2011-2013 MY AND SOME 2014 MY KIA OPTIMA VEHICLES. THE MDPS UNIT MAY EXPERIENCE NOISE WHEN TURNING THE STEERING WHEEL LEFT OR RIGHT, ESPECIALLY WHILE THE VEHICLE IS STOPPED. KIA’S ANALYSIS HAS IDENTIFIED THAT THIS CONDITION OCCURS MAINLY IN EXTREMELY HIGH HUMIDITY STATES ADJACENT TO WARM OCEAN WATERS DUE TO THE WEAR OF THE FLEXIBLE COUPLING IN THE MDPS, AFTER EXTENDED USAGE OVER YEARS. THE EXTREMELY HIGH HUMIDITY STATES ADJACENT TO WARM OCEAN WATERS INCLUDE: ALABAMA, FLORIDA, GEORGIA, HAWAII, LOUISIANA, MISSISSIPPI, NORTH CAROLINA, SOUTH CAROLINA, AND TEXAS. • FOR VEHICLES SOLD OR CURRENTLY REGISTERED IN EXTREMELY HIGH HUMIDITY STATES ADJACENT TO WARM OCEAN WATERS, THE FLEXIBLE COUPLING WILL BE REPLACED WITH A NEW ONE IF IT HAD NOT BEEN PREVIOUSLY REPLACED UNDER WARRANTY. • FOR VEHICLES SOLD OR REGISTERED IN ALL OTHER STATES, KIA IS EXTENDING THE WARRANTY ON THE FLEXIBLE COUPLING IN THE MDPS FROM 5 YEARS/60,000 MILES TO 10 YEARS/UNLIMITED MILEAGE, STARTING FROM THE FIRST DATE OF SERVICE IN ORDER TO ENSURE CUSTOMER SATISFACTION.
CS1604DEALERP2017-02-01. Service bulletin. STEERING. DEALER PRINCIPAL MEMO: CS1604 - KIA MOTORS AMERICA, INC. IS CONDUCTING A CUSTOMER SATISFACTION / WARRANTY EXTENSION PROGRAM REGARDING THE MOTOR DRIVEN POWER STEERING (MDPS) ON ALL 2011-2013 MY AND SOME 2014 MY KIA OPTIMA VEHICLES. THE MDPS UNIT MAY EXPERIENCE NOISE WHEN TURNING THE STEERING WHEEL LEFT OR RIGHT, ESPECIALLY WHILE THE VEHICLE IS STOPPED. KIA’S ANALYSIS HAS IDENTIFIED THAT THIS CONDITION OCCURS MAINLY IN EXTREMELY HIGH HUMIDITY STATES ADJACENT TO WARM OCEAN WATERS DUE TO THE WEAR OF THE FLEXIBLE COUPLING IN THE MDPS, AFTER EXTENDED USAGE OVER YEARS. THE EXTREMELY HIGH HUMIDITY STATES ADJACENT TO WARM OCEAN WATERS INCLUDE: ALABAMA, FLORIDA, GEORGIA, HAWAII, LOUISIANA, MISSISSIPPI, NORTH CAROLINA, SOUTH CAROLINA, AND TEXAS. • FOR VEHICLES SOLD OR CURRENTLY REGISTERED IN EXTREMELY HIGH HUMIDITY STATES ADJACENT TO WARM OCEAN WATERS, THE FLEXIBLE COUPLING WILL BE REPLACED WITH A NEW ONE IF IT HAD NOT BEEN PREVIOUSLY REPLACED UNDER WARRANTY. • FOR VEHICLES SOLD OR REGISTERED IN ALL OTHER STATES, KIA IS EXTENDING THE WARRANTY ON THE FLEXIBLE COUPLING IN THE MDPS FROM 5 YEARS/60,000 MILES TO 10 YEARS/UNLIMITED MILEAGE, STARTING FROM THE FIRST DATE OF SERVICE IN ORDER TO ENSURE CUSTOMER SATISFACTION.
TSBCHA0562017-01-31. Service bulletin. STEERING; ELECTRICAL SYSTEM:SOFTWARE. TSB: SERVICE ACTION: STEERING FEEL IMPROVEMENT (SA188) - THIS BULLETIN PROVIDES INFORMATION RELATED TO AN UPGRADE OF THE LOGIC FOR THE MOTOR DRIVEN POWER STEERING (MPDS) ECU OF SOME 2014~2015MY OPTIMA (QF) VEHICLES, PRODUCED FROM AUGUST 23, 2013 THROUGH JULY 24, 2014, TO ADDRESS SOME COMPLAINTS THAT THE STEERING PULLS TO ONE SIDE. TO INSTALL THE NEW STEERING LOGIC, REPROGRAM THE MDPS SYSTEM USING THE GDS/KDS DOWNLOAD, AS DESCRIBED IN THIS BULLETIN. FOR CONFIRMATION THAT THE LATEST REFLASH HAS BEEN DONE TO A VEHICLE YOU ARE WORKING ON, VERIFY ROM ID USING THE TABLES IN THIS TSB.
TSBCHA0722017-01-26. Service bulletin. STEERING. TSB: MDPS FLEXIBLE COUPLING REPLACEMENT CUSTOMER SATISFACTION PROGRAM (CS1604) - THIS BULLETIN PROVIDES INFORMATION REGARDING THE REPLACEMENT OF THE FLEXIBLE COUPLING IN THE MOTOR DRIVEN POWER STEERING (MDPS) ON SOME 2011-2014 MY OPTIMA (QF/TF/TFH) VEHICLES, PRODUCED FROM AUGUST 12, 2010 TO DECEMBER 18, 2013. THE MDPS UNIT MAY EXPERIENCE NOISE WHEN TURNING THE STEERING WHEEL LEFT OR RIGHT, ESPECIALLY WHILE THE VEHICLE IS STOPPED. KIA’S ANALYSIS HAS IDENTIFIED THAT THIS CONDITION OCCURS MAINLY IN EXTREMELY HIGH HUMIDITY STATES ADJACENT TO WARM OCEAN WATERS DUE TO THE WEAR OF THE FLEXIBLE COUPLING IN THE MDPS, AFTER EXTENDED USAGE OVER YEARS. THE EXTREMELY HIGH HUMIDITY STATES ADJACENT TO WARM OCEAN WATERS INCLUDE: ALABAMA, FLORIDA, GEORGIA, HAWAII, LOUISIANA, MISSISSIPPI, NORTH CAROLINA, SOUTH CAROLINA, AND TEXAS. FOR VEHICLES SOLD OR CURRENTLY REGISTERED IN EXTREMELY HIGH HUMIDITY STATES ADJACENT TO WARM OCEAN WATERS, REPLACE THE FLEXIBLE COUPLING WITH A NEW ONE IF IT HAS NOT BEEN PREVIOUSLY REPLACED UNDER WARRANTY. BEFORE CONDUCTING THE PROCEDURE, VERIFY THAT THE VEHICLE IS INCLUDED IN THE LIST OF THE AFFECTED VINS. FOR VEHICLES SOLD OR REGISTERED IN ALL OTHER STATES, KIA IS EXTENDING THE WARRANTY ON THE FLEXIBLE COUPLING IN THE MDPS FROM 5 YEARS/60,000 MILES TO 10 YEARS/UNLIMITED MILEAGE, STARTING FROM THE DATE OF FIRST SERVICE IN ORDER TO ENSURE CUSTOMER SATISFACTION. IF THE MDPS UNIT EXPERIENCES NOISE WHEN TURNING THE STEERING WHEEL LEFT OR RIGHT, REPLACE THE AFFECTED FLEXIBLE COUPLING WITH A NEW ONE.
TSB-CHA-0602016-09-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE; STEERING: STEERING WHEEL/HANDLE BAR. TSB: ECM UPGRADE - STEERING LOGIC IMPROVEMENT - THIS BULLETIN PROVIDES INFORMATION RELATED TO THE MDPS ECU SOFTWARE UPGRADE FOR SOME 2011 ~ 2014MY OPTIMA (TF/QF) VEHICLES, PRODUCED FROM JOB #1 THROUGH JULY 27, 2014, WHICH MAY EXPERIENCE A NOTCHY FEEL IN THE STEERING WHEEL. TO CORRECT THIS CONDITION, THE VEHICLE SHOULD BE EVALUATED USING THE MDPS EFFORT MEASUREMENT S/W, DETAILED IN THE ATTACHED REPAIR PROCEDURE, TO DETERMINE WHETHER AN IMPROVED STEERING LOGIC SHOULD BE INSTALLED IN THE MDPS ECU, OR IF AN MDPS COLUMN REPLACEMENT IS REQUIRED. TO DETERMINE WHETHER THE UPDATED MDPS ECU REFLASH APPLIES TO A VEHICLE YOU ARE WORKING ON, OR WHETHER IT HAS ALREADY BEEN PERFORMED, VERIFY ROM ID USING THE TABLES IN THIS TSB.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.